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18152 = 232269
BaseRepresentation
bin100011011101000
3220220022
410123220
51040102
6220012
7103631
oct43350
926808
1018152
1112702
12a608
138354
146888
1555a2
hex46e8

18152 has 8 divisors (see below), whose sum is σ = 34050. Its totient is φ = 9072.

The previous prime is 18149. The next prime is 18169. The reversal of 18152 is 25181.

It can be written as a sum of positive squares in only one way, i.e., 17956 + 196 = 134^2 + 14^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 18152.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 18152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127 + ... + 1142.

218152 is an apocalyptic number.

It is an amenable number.

18152 is a deficient number, since it is larger than the sum of its proper divisors (15898).

18152 is a wasteful number, since it uses less digits than its factorization.

18152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275 (or 2271 counting only the distinct ones).

The product of its digits is 80, while the sum is 17.

The square root of 18152 is about 134.7293583448. The cubic root of 18152 is about 26.2809762817.

The spelling of 18152 in words is "eighteen thousand, one hundred fifty-two".

Divisors: 1 2 4 8 2269 4538 9076 18152